CN108361193A - Screw compressor - Google Patents
Screw compressor Download PDFInfo
- Publication number
- CN108361193A CN108361193A CN201810007997.1A CN201810007997A CN108361193A CN 108361193 A CN108361193 A CN 108361193A CN 201810007997 A CN201810007997 A CN 201810007997A CN 108361193 A CN108361193 A CN 108361193A
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- CN
- China
- Prior art keywords
- oil
- screw compressor
- drive shaft
- counterweight
- supporting surface
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
- F04C18/0207—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form
- F04C18/0215—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form where only one member is moving
- F04C18/0223—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form where only one member is moving with symmetrical double wraps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
- F04C18/0207—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form
- F04C18/0215—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form where only one member is moving
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C17/00—Arrangements for drive of co-operating members, e.g. for rotary piston and casing
- F01C17/06—Arrangements for drive of co-operating members, e.g. for rotary piston and casing using cranks, universal joints or similar elements
- F01C17/066—Arrangements for drive of co-operating members, e.g. for rotary piston and casing using cranks, universal joints or similar elements with an intermediate piece sliding along perpendicular axes, e.g. Oldham coupling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/02—Lubrication; Lubricant separation
- F04C29/023—Lubricant distribution through a hollow driving shaft
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/02—Lubrication; Lubricant separation
- F04C29/028—Means for improving or restricting lubricant flow
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/50—Bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/80—Other components
- F04C2240/807—Balance weight, counterweight
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
- F04C23/008—Hermetic pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
A kind of screw compressor (1), including fixed scroll (7)；Orbiting scroll member (8)；Drive shaft (16)；Support device (5) including theathrust bearingasurface (9), the orbiting scroll member (8) are slidably mounted on the theathrust bearingasurface (9)；Rotation stopping device, it is configured to the rotation for preventing the orbiting scroll member (8) relative to the fixed scroll (7), the rotation stopping device includes the multiple track plates (28) being arranged in the round receiving hole (29) being arranged in support device (5), and each track plate (28) is equipped with the excircle supporting surface (31) for being configured to inner periphery supporting surface (32) cooperation with setting on corresponding round receiving hole (29)；And lubricating system, the lubricating system is configured to lubricate the inner periphery supporting surface (32) and the excircle supporting surface (31) at least partly using the oil supplied from oil groove (50), the lubricating system includes the multiple lubrication passages (41) being formed in the support device (5), each lubrication passages (41) include the oil export hole (41.2) being emerging in the inner periphery supporting surface (32) of corresponding round receiving hole (29), and oil export hole is located at the precalculated position that low-load occurs during drive shaft rotates about axis rotation.
Description
Technical field
The present invention relates to a kind of screw compressor more particularly to a kind of spiral cooling compressors.
Background technology
JP4427354 discloses a kind of screw compressor comprising：
Fixed scroll comprising fixed substrate and fixed scroll,
Orbiting scroll member comprising rotary plate and rotation scrollwork, the fixed scroll and the rotation scrollwork form more
A discharge chambe,
Drive shaft comprising be configured to the drive part that driving orbiting scroll member is rotated, the drive shaft is
It is rotatable around rotation axis,
Braced frame comprising theathrust bearingasurface, the orbiting scroll member are slidably mounted in the thrust bearing
On surface,
Rotation stopping device is configured to prevent the orbiting scroll member relative to the fixed scroll and the support
The rotation of device, the rotation stopping device include：
Multiple track plates are separately positioned in the round receiving hole being arranged in support device, and each track plate is set
There are eccentric orfice and excircle supporting surface, the excircle supporting surface to be configured to setting in corresponding round receiving hole
Inner periphery supporting surface cooperation；
Multiple pins, each pin include being fixed to the first end of rotary plate and being rotatably installed in corresponding track
The second end in the eccentric orfice of disk；
Oil groove, and
Lubricating system, the lubricating system are configured to lubricate institute at least partly using the oil supplied from the oil groove
State inner periphery supporting surface and excircle supporting surface.
Particularly, lubricating system includes the multiple lubrication grooves being formed in theathrust bearingasurface, and each lubrication groove includes aobvious
The first end that is exposed in the inner surface of braced frame and be emerging in the inner periphery supporting surface of corresponding round receiving hole the
Two ends, second end is located at there is the position of high load in drive shaft around during the rotation of its rotation axis.
Lubrication groove in theathrust bearingasurface this arrangement reduce the surface areas of theathrust bearingasurface, this may be damaged
The reliability of screw compressor.
In addition, this position of the second end of each lubrication groove does not ensure that the suitable of the excircle supporting surface of track plate
When lubrication, for the screw compressor with large capacity because drive shaft rotate during be applied to track
High load on disk is avoided or is at least limited between inner periphery supporting surface and the excircle supporting surface of rotation stopping device
Fuel feeding.
Therefore, the construction of the lubricating system of disclosed screw compressor does not ensure that in the past, especially for large capacity
Screw compressor for, to the fuel feeding of the optimization of rotation stopping device, this may damage screw compressor reliability and
Service life.
Invention content
It is an object of the present invention to provide a kind of improved screw compressor, it can overcome deposits in traditional screw compressor
The shortcomings that.
It is a further object of the present invention to provide a kind of screw compressors, have compared with traditional screw compressor and improve
Reliability and the service life.
According to the present invention, this screw compressor includes：
Fixed scroll comprising fixed substrate and fixed scroll；
Orbiting scroll member comprising rotary plate and rotation scrollwork, the fixed scroll and rotation scrollwork form multiple pressures
Contracting room；
Drive shaft comprising be configured to the drive part that driving orbiting scroll member is rotated, the drive shaft is
It is rotatable around rotation axis；
Support device comprising theathrust bearingasurface, the orbiting scroll member are slidably mounted in the thrust bearing
On surface；
Rotation stopping device is configured to prevent the orbiting scroll member relative to the fixed scroll and the branch
The rotation of support arrangement, the rotation stopping device include：
Multiple track plates are separately positioned in the round receiving hole provided in support device, and each track plate is equipped with bias
Hole and excircle supporting surface, the excircle supporting surface are configured to and the inner circle that is arranged in corresponding round receiving hole
All supporting surface cooperations；
Multiple pins, each pin include being fixed to the first end of rotary plate and being rotatably installed in corresponding track
The second end in the eccentric orfice of disk；
Oil groove, and
Lubricating system, the lubricating system are configured to lubricate institute at least partly using the oil supplied from the oil groove
State inner periphery supporting surface and the excircle supporting surface, the lubricating system include be formed in it is more in the support device
In a lubrication passages, each lubrication passages include the oil export being emerging in the inner periphery supporting surface of corresponding round receiving hole
Hole, and oil export hole is located at the precalculated position that low-load occurs during drive shaft rotates about axis rotation.
This position of this construction of lubricating system, the oil export hole of especially each lubrication passages ensures track plate
Excircle supporting surface proper lubrication, and therefore assign the higher reliability of screw compressor and service life.
Further, since lubrication passages are formed in support device rather than in theathrust bearingasurface, theathrust bearingasurface
Surface area do not reduce, this also increases the reliabilities of screw compressor.
Screw compressor can also include one or more of the following characteristics being used alone or in combination.
According to one embodiment of present invention, the precalculated position in the oil export hole of each lubrication passages is being parallel to thrust branch
Angle can be located on the circular arc between 0 ° and 20 ° by holding the rectangular projection on the projection plane on surface 9, such as in 0 ° and 10 °
Between, circular arc has the center that the center with corresponding round receiving hole overlaps, and is defined so that including drive shaft
The respective planes at the center of rotation axis and corresponding round receiving hole form the bisecting plane of the angle of the circular arc, that is, make
The respective planes for obtaining the center of the rotation axis comprising drive shaft and respective circular receiving hole also include the angle of the circular arc
Angular bisector, and advantageously so that the circular arc be located at drive shaft rotation axis and respective circular receiving hole center it
Between.
According to one embodiment of present invention, the precalculated position in the oil export hole of each lubrication passages be located substantially on including
In the respective planes at the center of the rotation axis of drive shaft and corresponding round receiving hole, and it is specifically located at the rotation of drive shaft
Between shaft axis and the center of corresponding round receiving hole.
According to one embodiment of present invention, each lubrication passages are radially extended relative to the rotation axis of drive shaft.
According to one embodiment of present invention, each lubrication passages extend below theathrust bearingasurface.
According to one embodiment of present invention, lubricating system further includes the circumferential direction being arranged on the inner surface of support device
Slot, circumferential slot are configured to supply oil to lubrication passages.The setting of circumferential slot ensures the better feeding and filling of lubrication passages,
So as to improve the lubrication of rotation stopping device.
According to one embodiment of present invention, each lubrication passages include be emerging in the inner surface of support device, such as
It is emerging in the oil-in hole in circumferential slot.
According to one embodiment of present invention, the inner surface of support device limits accommodating chamber, and the drive part of drive shaft can
It is movably arranged in the accommodating chamber.
According to one embodiment of present invention, lubricating system further includes oil supply gallery, and oil supply gallery is fluidly connected to oil groove
And extend in length at least part of drive shaft, lubrication passages are fluidly connected to oil supply gallery.
According to one embodiment of present invention, oil supply gallery is emerging in drive shaft towards in the end face of orbiting scroll member.
According to one embodiment of present invention, orbiting scroll member further includes hub portion, the drive part at least portion of drive shaft
Ground is divided to be mounted in the hub portion, screw compressor further includes the counterweight for being connected to the drive part, the counterweight structure
At the quality of balance rotating scroll at least partly.
According to one embodiment of present invention, counterweight is movably disposed in accommodating chamber.
According to one embodiment of present invention, lubricating system further includes at least one being at least partially defined by the counterweight
Fuel feeding access, at least one fuel feeding passway structure supplies oil to theathrust bearingasurface and lubrication passages.
According to one embodiment of present invention, at least one fuel feeding passway structure supplies oil to circumferential slot.
According to one embodiment of present invention, the counterweight includes respectively for the hub portion and the rotary plate
Counterweight inner surface and counterweight end surfaces, the counterweight inner surface and the counterweight end surfaces at least partially define it is described at least
One fuel feeding access.
According to one embodiment of present invention, counterweight includes being arranged on the counterweight inner surface and the counterweight end face
And limit at least one oil supply tank or the hole of at least one fuel feeding access.
According to one embodiment of present invention, counterweight includes oily feed path, and the oil feed path, which has, to be formed in
Entrance at the counterweight inner surface and the outlet towards the circumferential slot.For example, counterweight include it is at least one have setting exist
The oil supply tank or hole of entrance on counterweight inner surface and the outlet towards circumferential slot.
According to one embodiment of present invention, the counterweight inner surface and the counterweight end surfaces respectively with the hub portion
It is substantially complementary with the respective profile of the rotary plate.
According to one embodiment of present invention, at least one fuel feeding via fluid is connected to the oil supply gallery.
According to one embodiment of present invention, lubricating system includes being arranged on the drive part of drive shaft, such as formed
In drive part, and it is fluidly coupled to the oil transportation access of oil supply gallery, the oil transportation passway structure is at least one confession
Oily access fuel feeding.
According to one embodiment of present invention, oil transportation access includes the end face towards orbiting scroll member for being emerging in drive shaft
In first end and the drive part that is emerging in drive shaft the outer wall towards counterweight in second end.
According to one embodiment of present invention, support device includes braced frame and the thrust bearing fixed to braced frame
Plate, the thrust bearing plate include the theathrust bearingasurface and the round receiving hole, and the lubrication passages are formed in described
In thrust bearing plate.
According to one embodiment of present invention, each round receiving hole is emerging in theathrust bearingasurface.
According to one embodiment of present invention, lubricating system further includes being arranged in support device and being for example formed in branch
Multiple way to cycle oil in support arrangement, each way to cycle oil include oil inlet and oil outlet, and the oil inlet is emerging in round appearance
It receives in device in corresponding one, the oil outlet is fluidly connected to the oil groove and is configured to make to be contained in described round hold
The part of the oil in corresponding one of hole received is back to the oil groove.The setting of way to cycle oil is ensured in rotation stopping device
Oil cycle after lubrication.
According to one embodiment of present invention, way to cycle oil is formed in braced frame.
According to one embodiment of present invention, the oil outlet of each way to cycle oil is emerging in the inner surface of support device.
According to one embodiment of present invention, the oil inlet of each way to cycle oil is arranged on thrust bearing plate, each to return
Oily access includes the drainback passage of setting on the support frame, and way to cycle oil is fluidly coupled to corresponding oil inlet.
According to one embodiment of present invention, each way to cycle oil can also include setting on the support frame and construct
At the vertical holes for fluidly connecting corresponding oil inlet with corresponding drainback passage.
According to one embodiment of present invention, the support device further includes base bearing, and the base bearing is configured to draw
The guided portion rotation of the drive shaft is led, the lubricating system is configured to using the oil supplied from the oil groove come at least portion
Ground is divided to lubricate the base bearing.
According to one embodiment of present invention, lubricating system further includes setting on the driving shaft and is fluidly connected to fuel feeding
The lubrication hole in channel, lubrication hole are emerging in the outer wall of the guided portion of drive shaft, and towards base bearing.
These and other advantages will be become apparent by reading following specification in conjunction with appended attached drawing, wherein
Attached drawing represents the embodiment of the screw compressor according to the present invention as non-limiting example.
Description of the drawings
When understanding in conjunction with attached drawing, the described in detail below of one embodiment of the present of invention is better understood, however, this
Invention is not limited to disclosed specific embodiment.
Fig. 1 is the longitudinal sectional view of screw compressor according to the present invention.
Fig. 2 is the partial lengthwise sectional view according to the screw compressor of Fig. 1.
Fig. 3 is the stereogram according to the cross-section of the screw compressor of Fig. 1.
Fig. 4 is the view in transverse section according to the screw compressor of Fig. 1.
Fig. 5 is the longitdinal cross-section diagram according to the support device of the screw compressor of Fig. 1.
Fig. 6 is the stereogram according to the cross-section of the support device of Fig. 4.
Fig. 7 is the enlarged drawing of the details of Fig. 4.
During Fig. 8 shows a rotation of the drive shaft of the screw compressor according to Fig. 1, in the track of rotation stopping device
The load acted between the excircle supporting surface of disk and the inner periphery supporting surface of corresponding round receiving hole reallocation (by
In from compression process centrifugal force and air pressure).
Specific implementation mode
In the following description, in various embodiments, identical element is presented with like reference characters.
Fig. 1 describes screw compressor 1 according to the ... of the embodiment of the present invention, and the screw compressor 1 occupies vertical position.
Screw compressor 1 includes seal casinghousing 2, which, which has, is configured to wait being pressed to the supply of screw compressor 1
The suction inlet 3 of the refrigerant of contracting and the outlet 4 for being configured to discharge compression refrigerant.
Screw compressor 1 further includes being fixed to the also referred to as support device 5 of crankcase of seal casinghousing 2 and being arranged sealing
The compression unit 6 supported in shell 2 and by support device 5.Compression unit 6 is configured to compress the refrigerant supplied by suction inlet 3.
Compression unit 6 includes being filled in the support relative to 2 fixed fixed scroll of seal casinghousing (fixed scroll) 7 and by being arranged
Set the orbiting scroll member (orbiting that the theathrust bearingasurface 9 on 5 is supported and slidably contacted with theathrust bearingasurface 9
scroll)8。
Fixed scroll 7 include a fixed substrate 11, the substrate 11 have towards the lower surface of orbiting scroll member 8 and with
The opposite upper surface in the lower surface of fixed substrate 11.Fixed scroll 7 further includes from the direction rotation of the lower surface of fixed substrate 11
8 fixed scroll outstanding of scroll (fixed spiral wrap) 12.
Orbiting scroll member 8 includes a rotary plate 13, and the rotary plate 13 has towards the upper surface of fixed scroll 7
And the lower surface opposite with the upper surface of rotary plate 13, the rotary plate 13 are slidably mounted in theathrust bearingasurface
On 9.Orbiting scroll member 8 further includes the upper table from rotary plate 13 towards 7 rotation scrollwork (orbiting outstanding of fixed scroll
Spiral wrap) 14, the rotation scrollwork 14 of orbiting scroll member 8 engages multiple to be formed with the fixed scroll 12 of fixed scroll 7
Positioned at the discharge chambe 15 between them.When driving orbiting scroll member 8 to be rotated relative to fixed scroll 7, each discharge chambe 15
The variable volume reduced with outside-in.
Screw compressor 1 further includes drive shaft 16 and electric power motor 17, and drive shaft 16 is configured to driving rotating vortex
Part 8 is rotated, and electric power motor 17 can be variable-ratio electric power motor, is coupled to drive shaft 16 and structure
It causes that the drive shaft 16 is driven to rotate around rotation axis A.
It includes drive part 18 that drive shaft 16 is held on it, and drive part 18 deviates the longitudinal axis of drive shaft 16 and portion
Ground is divided to be mounted in the hub portion 19 being arranged on orbiting scroll member 8.Drive part 18 is configured to coordinate with hub portion 19, so as to
Drive orbiting scroll member 8 relative to 7 rotary motion of fixed scroll when electric power motor 17 operates.
Drive shaft 16 further include neighbouring drive part 18 top guided portion 21 and with 21 phase of top guided portion
To lower part guided portion 22, and screw compressor 1 further includes 23 times base bearings of upper base bearing 24, and upper base bearing 23 is arranged
In support device 5, and the top guided portion 21 for being configured to guiding drive shaft 16 rotates, and lower base bearing 24 is configured to guide
The lower part guided portion 22 of drive shaft 16 rotates.
Compressor 1 further includes that the orbiting scroll member hub axle being arranged on orbiting scroll member 8 holds 25, and orbiting scroll member hub axle is held
25 are arranged to coordinate with the drive part of drive shaft 16 18.
In addition, screw compressor further includes the counterweight 26 being fixed on drive part 18, which is configured at portion
Divide the quality of ground balance orbiting scroll member 8.Particularly, support device 5 limits the accommodating chamber 27 for being located at 23 top of upper base bearing, hub
Part 19, drive part 18 and counterweight 26 are movably disposed in the accommodating chamber 27.
Screw compressor 1 further includes rotation stopping device, which is configured to prevent orbiting scroll member 8 opposite
In the rotation of fixed scroll 7 and support device 5.Specifically, rotation stopping device includes：
Multiple track plates 28 are arranged in round receiving hole 29, and the circle receiving hole 29 is formed in support dress
In setting 5 and it is emerging in theathrust bearingasurface 9, each track plate 28 is provided with eccentric orfice 30 and excircle supporting surface 31,
Excircle supporting surface 31 coordinates with the inner periphery supporting surface 32 being arranged in corresponding round receiving hole 29.
Multiple pins 33, each pin 33 include first end and the second end, and first end is un-rotatably fixed to rotation
Substrate 13, the second end are installed in rotation in the eccentric orfice 30 of corresponding track plate 28 and coordinate with eccentric orfice 30.
Embodiment shown in reference to the accompanying drawings, rotation stopping device include three track plates 28 and three pins 33, track plate
28 angularly bias relative to the rotation axis A of drive shaft 16, and particularly regularly angularly bias.
Screw compressor 1 further includes lubricating system, which is configured to utilize the oil groove 50 limited from seal casinghousing 2
The oil of supply lubricates excircle supporting surface 31 and inner periphery supporting surface 32, track plate 28 and corresponding receiving hole at least partly
The slidingsurface between slidingsurface and eccentric orfice 30 and pin 33 between 29 bottoms.
Lubricating system includes being formed in the oil supply gallery extended in drive shaft 16 and in the whole length of drive shaft 16
34.Oil supply gallery 34 is configured to from oil groove 50 for oil supply.Embodiment shown in reference to the accompanying drawings, oil supply gallery 34 are emerging in driving
In the end face 35 towards orbiting scroll member 8 of axis 16.
Lubricating system further includes being arranged on the drive part 18 of drive shaft 16 and being fluidly coupled to oil supply gallery 34
Oil transportation access 36, according to embodiment shown in figure, oil transportation access 36 includes first be emerging in the end face 35 of drive shaft 16
End and the second end being emerging in the region of the lower end of hub portion 19 in the outer wall towards counterweight 26 of drive part 18.
Lubricating system further includes the fuel feeding access 37 for being limited by counterweight 26 and being fluidly connected with oil transportation access 36.With reference to the accompanying drawings
Shown in embodiment, counterweight 26 includes counterweight inner surface 26.1 and the Balance weight end table respectively for hub portion 19 and rotary plate 13
Face 26.2, and counterweight inner surface 26.1 and counterweight end surfaces 26.2 define fuel feeding access 37.For example, counterweight 26 may include setting
Set on counterweight inner surface 26.1 and counterweight end face 26.2 and limit the oil supply tank of fuel feeding access.Advantageously, counterweight inner surface
26.1 and counterweight end surfaces 26.2 it is substantially complementary with hub portion 19 and 13 respective profile of rotary plate respectively.
It is filled in addition, lubricating system includes the circumferential slot 38 being arranged on the inner surface 39 of support device 5 with support is formed in
Set in 5 and be fluidly coupled to multiple lubrication passages 41 of circumferential slot 38.Counterweight 26 can also include having to be formed in table in counterweight
The oily feed path 51 of entrance 51.1 at face 26.1 and the outlet 51.2 towards the circumferential slot 38 (see Fig. 4).
Embodiment shown in reference to the accompanying drawings, each lubrication passages 41 are radially extended relative to the rotation axis A of drive shaft 16,
And extend below theathrust bearingasurface 9.
Particularly, each lubrication passages 41 include the oil-in hole 41.1 being emerging in circumferential slot 38 and are emerging in corresponding
Round receiving hole 29 inner periphery supporting surface 32 oil export hole 41.2.Oil export hole 41.2 is in following precalculated position
Place, the precalculated position are located substantially on the corresponding flat of the rotation axis A comprising the drive shaft and center C of respective circular receiving hole 29
Between rotation axis A and the center of respective circular receiving hole in face and positioned at drive shaft 16.
Lubricating system further includes the multiple way to cycle oil 42 being formed in support device 5, and each way to cycle oil 42 includes aobvious
The oil inlet 42.1 being exposed in corresponding round receiving hole 29, and for example on the bottom surface of corresponding round receiving hole 29, often
A way to cycle oil 42 further includes oil outlet 42.2, which is fluidly connected to oil groove 50 and is configured to make to be contained in
A part for oil in round receiving hole 29 in corresponding one is back to oil groove 50.Embodiment shown in reference to the accompanying drawings, each
The oil outlet 42.2 of way to cycle oil 42 is emerging in the inner surface 39 of support device 5, and is therefore located in accommodating chamber 27.Favorably
, support device 5 includes oil return hole, which is emerging in accommodating chamber 27 and is configured to be ejected into from way to cycle oil 42
A part for oil in accommodating chamber 27 is back to oil groove 50.
Embodiment shown in reference to the accompanying drawings, support device 5 include braced frame 5.1 and pushing away fixed to braced frame 5.1
Power support plate 5.2.Advantageously, thrust bearing plate 5.2 includes theathrust bearingasurface 9, and round receiving hole 29 and lubrication passages
41 are formed in thrust bearing plate 5.2.In addition, according to the embodiment, the setting of oil inlet 42.1 of each way to cycle oil 42 exists
On thrust bearing plate 5.2, and each way to cycle oil 42 includes drainback passage 43, which is arranged in braced frame
On 5.1 and it is fluidly connected to corresponding oil inlet 42.1.Each way to cycle oil 42 can also include being arranged in braced frame 5.1
And it is configured to the vertical holes 44 for fluidly connecting corresponding oil inlet 42.1 with corresponding drainback passage 43.
In addition, embodiment shown in reference to the accompanying drawings, lubricating system be further configured to using the oil supplied from oil groove 50 come to
It partially lubricates upper base bearing 23 and lower base bearing 24 and orbiting scroll member hub axle holds 25.Therefore, lubricating system further includes：
The first lubrication hole 45 for being arranged in drive shaft 16 and being fluidly connected with oil supply gallery 34, the first lubrication hole 45
It is emerging in the outer wall of the top guided portion 21 of drive shaft 16 and base bearing 23 upwardly,
The second lubrication hole 46 for being arranged in drive shaft 16 and being in fluid communication with oil supply gallery 34, the second lubrication hole 46
It is emerging in the outer wall of the lower part guided portion 22 of drive shaft 16 and base bearing 24 downwards, and
The third lubrication hole 47 for being arranged in drive shaft 16 and being fluidly connected with oil supply gallery 34, third lubrication hole 47
It is emerging in the outer wall of the drive part 18 of drive shaft 16 and holds 25 towards orbiting scroll member hub axle.
When the operating of electric power motor 17 and when drive shaft 16 rotates about axis A rotation, the oil from oil groove 50 by
It climbs into the oil supply gallery 34 of drive shaft 16 in centrifugal effect, and lubricates lower base bearing 24, upper base bearing 23 and rotation
Scroll hub axle holds the end face 35 that drive shaft 16 is reached after 25.Have arrived at least one of the oil of the end face 35 of drive shaft 16
Divide and evacuated to fuel feeding access 37 by the oil transportation access 36 being arranged on drive part 18, then, due to centrifugal effect, oil is supplying
It flows and is guided to theathrust bearingasurface 9 and lubrication passages 41 in oily access 37, to lubricate excircle bearing at least partly
Surface 31 and inner periphery supporting surface 32 and theathrust bearingasurface 9.Other than the oil from oil transportation access 36, rotation is left
Scroll hub axle hold the oil of 25 lower end also due to centrifugal effect and enter fuel feeding access 37.In lubrication excircle supporting surface 31
After inner periphery supporting surface 32 and theathrust bearingasurface 9, oil returns to oil groove 50 by way to cycle oil 42 and oil return hole.
Fig. 7 particularly illustrates the fact：The precalculated position in the oil export hole 41.2 of each lubrication passages 41 is parallel
It can be located at angle [alpha] on the circular arc between 0 ° and 20 ° in the rectangular projection on the projection plane of theathrust bearingasurface 9, such as
Between 0 ° and 10 °, which has the center C1 that the center C with corresponding round receiving hole 29 is overlapped, and is defined as
So that include drive shaft 16 rotation axis A and corresponding circle receiving hole 29 center C respective planes p-shaped at the circular arc
Angle [alpha] bisecting plane, the circular arc is located at the center C of the rotation axis A and corresponding round receiving hole 29 of drive shaft 16
Between.
Certainly, the present invention is not limited to the above-mentioned embodiments described as non-limiting examples, but include its all implementation
Example.For example, support device may include the single support frame for having theathrust bearingasurface 9.
Claims (15)
1. a kind of screw compressor (1), including：
Fixed scroll (7) comprising fixed substrate (11) and fixed scroll (12)；
Orbiting scroll member (8) comprising rotary plate (13) and rotation scrollwork (14), the fixed scroll (12) and rotation whirlpool
It rolls up (14) and forms multiple discharge chambes (15)；
Drive shaft (16) comprising be configured to the drive part (18) that driving orbiting scroll member (8) is rotated, institute
Stating drive shaft (16) can rotate around rotation axis (A)；
Support device (5) comprising theathrust bearingasurface (9), the orbiting scroll member (8) are slidably mounted in described push away
In power supporting surface (9)；
Rotation stopping device is configured to prevent the orbiting scroll member (8) relative to the fixed scroll (7) and described
The rotation of support device (5), the rotation stopping device include：
Multiple track plates (28) are arranged in the round receiving hole (29) being arranged in support device (5), each
Track plate (28) be equipped with eccentric orfice (30) and excircle supporting surface (31), the excircle supporting surface (31) be configured to and
Inner periphery supporting surface (32) cooperation on corresponding round receiving hole (29) is set；
Multiple pins (33), each of the multiple pin pin include being fixed to the first end of rotary plate (13) and rotatable
Ground is mounted on the second end in the eccentric orfice (30) of corresponding track plate (28)；
Oil groove (50), and
Lubricating system, the lubricating system are configured to use the oil supplied from the oil groove (50) to lubricate at least partly
The inner periphery supporting surface (32) and the excircle supporting surface (31), the lubricating system include being formed in the support
Multiple lubrication passages (41) in device (5), each lubrication passages (41) include being emerging in corresponding round receiving hole (29)
Oil export hole (41.2) in inner periphery supporting surface (32), and the oil export hole rotates about axis rotation positioned in drive shaft
The precalculated position of low-load occurs between refunding.
2. screw compressor (1) according to claim 1, wherein the oil export hole (41.2) of each lubrication passages (41)
Rectangular projection of the precalculated position on the projection plane for being parallel to theathrust bearingasurface (9), which is located at, to be had between 0 ° and 20 °
On the circular arc of angle (d), the circular arc have the center (C1) that the center (C) with corresponding round receiving hole (29) overlaps and
It is defined such that the corresponding flat of the center (C) of rotation axis (A) and respective circular receiving hole (29) including drive shaft (16)
Face forms the bisecting plane of the angle of the circular arc.
3. screw compressor (1) according to claim 1, wherein the oil export hole of each lubrication passages (41)
(41.2) the precalculated position is located substantially on rotation axis (A) and corresponding round receiving including the drive shaft (16)
In the respective planes at the center (C) in hole (29).
4. screw compressor (1) according to any one of claim 1 to 3, wherein each lubrication passages (41) relative to
The rotation axis (A) of the drive shaft (16) radially extends.
5. screw compressor (1) according to any one of claim 1 to 4, wherein the lubricating system further includes setting
Circumferential slot (38) on the inner surface (39) of the support device (5), the circumferential slot (38) are configured to lubrication passages
(41) supply oil.
6. screw compressor (1) according to any one of claim 1 to 5, wherein the lubricating system further includes fuel feeding
Channel (34), the oil supply gallery (34) are fluidly connected to the oil groove (50) and in the length of the drive shaft (16)
Extend at least part, the lubrication passages (41) are fluidly connected to the oil supply gallery (34).
7. screw compressor (1) according to any one of claim 1 to 6, wherein the orbiting scroll member (8) is also wrapped
Hub portion (19) is included, the drive part (18) of the drive shaft (16) is at least partially installed in the hub portion (19), institute
It further includes the counterweight (26) for being connected to the drive part (18) to state screw compressor (1), the counterweight (26) be configured to
The partially quality of balance rotating scroll (8).
8. screw compressor (1) according to claim 7, wherein the lubricating system further include by the counterweight (26) extremely
At least one fuel feeding access (37) partially limited, at least one fuel feeding access (37) are configured to thrust bearing
Surface (9) and lubrication passages (41) supply oil.
9. screw compressor (1) according to claim 8, wherein the counterweight (26) includes respectively for the hub
Divide the counterweight inner surface (26.1) and counterweight end surfaces (26.2) of (19) and the rotary plate (13), the counterweight inner surface
(26.1) and the counterweight end surfaces (26.2) at least partially define at least one fuel feeding access (37).
10. the screw compressor (1) according to claim 5 and 9, wherein the counterweight (26) includes described with being formed in
The oily feed path (51) of entrance (51.1) at counterweight inner surface (26.1) and the outlet (51.2) towards circumferential slot (38).
11. according to the screw compressor (1) described in the claim 8 or 9 of reference claim 4, wherein the lubricating system packet
It includes and is arranged on the drive part (18) of the drive shaft (16) and is fluidly coupled to the defeated of the oil supply gallery (34)
Oily access (36), the oil transportation access (36) are configured to at least one fuel feeding access (37) for oil supply.
12. screw compressor (1) according to any one of claim 1 to 11, wherein the support device (5) includes
Braced frame (5.1) and the thrust bearing plate (5.2) for being fixed to the braced frame (5.1), thrust bearing plate (5.2) packet
Theathrust bearingasurface (9) and round receiving hole (29) are included, the lubrication passages (41) are formed in the thrust bearing plate (5.2)
It is interior.
13. screw compressor (1) according to any one of claim 1 to 12, wherein the lubricating system further includes setting
Multiple way to cycle oil (42) in the support device (5) are set, each way to cycle oil (42) includes oil inlet (42.1) and goes out
Hydraulic fluid port (42.2), the oil inlet (42.1) are emerging in corresponding one in round receiving hole (29), the oil outlet
(42.2) it is fluidly connected to oil groove (50), the oil outlet (42.2), which is constructed such that, is contained in phase in round receiving hole (29)
A part for oil in one answered is back to oil groove (50).
14. screw compressor (1) according to claim 13, wherein the way to cycle oil (42) is formed in the support frame
In frame (5.1).
15. the screw compressor (1) according to any one of claim 1 to 14, wherein the support device (5) is also wrapped
Base bearing (23) is included, the base bearing (23) is configured to guide the guided portion (21) of the drive shaft (16) to rotate, institute
It states lubricating system and is configured to use the oil supplied from the oil groove (50) to lubricate the base bearing (23) at least partly.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1750672A FR3062430B1 (en) | 2017-01-27 | 2017-01-27 | SPIRAL COMPRESSOR WITH ORBITAL DISCS LUBRICATION SYSTEM |
| FR1750672 | 2017-01-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108361193A true CN108361193A (en) | 2018-08-03 |
| CN108361193B CN108361193B (en) | 2019-09-03 |
Family
ID=58501659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810007997.1A Active CN108361193B (en) | 2017-01-27 | 2018-01-04 | Screw compressor |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US10746174B2 (en) |
| CN (1) | CN108361193B (en) |
| DE (1) | DE102018100162B4 (en) |
| FR (1) | FR3062430B1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020083312A1 (en) * | 2018-10-23 | 2020-04-30 | 艾默生环境优化技术(苏州)有限公司 | Counterweight, counterweight assembly and scroll compressor |
| WO2020143350A1 (en) * | 2019-01-09 | 2020-07-16 | 艾默生环境优化技术(苏州)有限公司 | Thrust plate for scroll compressor, and scroll compressor |
| CN112145412A (en) * | 2019-06-28 | 2020-12-29 | 丹佛斯商用压缩机公司 | Scroll compressor provided with a track disc lubrication system |
| CN114526230A (en) * | 2020-11-23 | 2022-05-24 | 丹佛斯商用压缩机公司 | Scroll compressor including lubrication system provided with oil agitating device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115750365A (en) | 2021-09-03 | 2023-03-07 | 丹佛斯（天津）有限公司 | Scroll compressor having a plurality of scroll members |
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Also Published As
| Publication number | Publication date |
|---|---|
| FR3062430B1 (en) | 2021-05-21 |
| FR3062430A1 (en) | 2018-08-03 |
| CN108361193B (en) | 2019-09-03 |
| DE102018100162B4 (en) | 2023-09-21 |
| DE102018100162A1 (en) | 2018-08-02 |
| US10746174B2 (en) | 2020-08-18 |
| US20180216616A1 (en) | 2018-08-02 |
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